Analysis Overview
SHA256
31b6401cd95090e05221db25f0088979067facbcfec4df6d7b68efb6a57eaaed
Threat Level: Known bad
The file 31b6401cd95090e05221db25f0088979067facbcfec4df6d7b68efb6a57eaaed.exe was found to be: Known bad.
Malicious Activity Summary
Detect Neshta payload
Neshta family
Neshta
Checks computer location settings
Modifies system executable filetype association
Executes dropped EXE
Reads user/profile data of web browsers
Loads dropped DLL
Drops file in Windows directory
Drops file in Program Files directory
Enumerates physical storage devices
Unsigned PE
Modifies registry class
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-08 01:13
Signatures
Detect Neshta payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Neshta family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-08 01:13
Reported
2024-04-08 01:16
Platform
win10v2004-20240226-en
Max time kernel
142s
Max time network
144s
Command Line
Signatures
Detect Neshta payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Neshta
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\31b6401cd95090e05221db25f0088979067facbcfec4df6d7b68efb6a57eaaed.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\31b6401cd95090e05221db25f0088979067facbcfec4df6d7b68efb6a57eaaed.exe | N/A |
Modifies system executable filetype association
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" | C:\Users\Admin\AppData\Local\Temp\31b6401cd95090e05221db25f0088979067facbcfec4df6d7b68efb6a57eaaed.exe | N/A |
Reads user/profile data of web browsers
Drops file in Program Files directory
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\svchost.com | C:\Users\Admin\AppData\Local\Temp\31b6401cd95090e05221db25f0088979067facbcfec4df6d7b68efb6a57eaaed.exe | N/A |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" | C:\Users\Admin\AppData\Local\Temp\31b6401cd95090e05221db25f0088979067facbcfec4df6d7b68efb6a57eaaed.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\31b6401cd95090e05221db25f0088979067facbcfec4df6d7b68efb6a57eaaed.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\31b6401cd95090e05221db25f0088979067facbcfec4df6d7b68efb6a57eaaed.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\31b6401cd95090e05221db25f0088979067facbcfec4df6d7b68efb6a57eaaed.exe
"C:\Users\Admin\AppData\Local\Temp\31b6401cd95090e05221db25f0088979067facbcfec4df6d7b68efb6a57eaaed.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\31b6401cd95090e05221db25f0088979067facbcfec4df6d7b68efb6a57eaaed.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\31b6401cd95090e05221db25f0088979067facbcfec4df6d7b68efb6a57eaaed.exe"
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3992 --field-trial-handle=3084,i,14217130992253490921,11543335378077656547,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 130.118.77.104.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\3582-490\31b6401cd95090e05221db25f0088979067facbcfec4df6d7b68efb6a57eaaed.exe
| MD5 | 63e9d28d486bd746a076f1a4b81a2615 |
| SHA1 | 7170b1c2f6b162f5126a59ab22e51d9d1f30598e |
| SHA256 | 74bab74001d4d717a3be0b8b52692b67d0b75cc32f3e354218f52d71b5e8dc54 |
| SHA512 | d6f9e7d4112339e25ade68e1d2551b1a6a3bf93952f7ced15d86de656d1960a5a300e270d0ac51bfb8fb2ed645d2e129083873e4156ba3efaf40a9f3120daae0 |
C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe
| MD5 | 8ffc3bdf4a1903d9e28b99d1643fc9c7 |
| SHA1 | 919ba8594db0ae245a8abd80f9f3698826fc6fe5 |
| SHA256 | 8268d3fefe8ca96a25a73690d14bacf644170ab5e9e70d2f8eeb350a4c83f9f6 |
| SHA512 | 0b94ead97374d74eaee87e7614ddd3911d2cf66d4c49abbfd06b02c03e5dd56fd00993b4947e8a4bcd9d891fa39cab18cc6b61efc7d0812e91eb3aea9cd1a427 |
memory/4692-108-0x0000000000400000-0x000000000041B000-memory.dmp
memory/4692-109-0x0000000000400000-0x000000000041B000-memory.dmp
memory/4692-110-0x0000000000400000-0x000000000041B000-memory.dmp
memory/4692-111-0x0000000000400000-0x000000000041B000-memory.dmp
memory/4692-112-0x0000000000400000-0x000000000041B000-memory.dmp
memory/4692-113-0x0000000000400000-0x000000000041B000-memory.dmp
memory/4692-115-0x0000000000400000-0x000000000041B000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-08 01:13
Reported
2024-04-08 01:16
Platform
win7-20231129-en
Max time kernel
117s
Max time network
121s
Command Line
Signatures
Detect Neshta payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Neshta
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\31b6401cd95090e05221db25f0088979067facbcfec4df6d7b68efb6a57eaaed.exe | N/A |
Loads dropped DLL
Modifies system executable filetype association
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" | C:\Users\Admin\AppData\Local\Temp\31b6401cd95090e05221db25f0088979067facbcfec4df6d7b68efb6a57eaaed.exe | N/A |
Reads user/profile data of web browsers
Drops file in Program Files directory
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\svchost.com | C:\Users\Admin\AppData\Local\Temp\31b6401cd95090e05221db25f0088979067facbcfec4df6d7b68efb6a57eaaed.exe | N/A |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" | C:\Users\Admin\AppData\Local\Temp\31b6401cd95090e05221db25f0088979067facbcfec4df6d7b68efb6a57eaaed.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\31b6401cd95090e05221db25f0088979067facbcfec4df6d7b68efb6a57eaaed.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\31b6401cd95090e05221db25f0088979067facbcfec4df6d7b68efb6a57eaaed.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\31b6401cd95090e05221db25f0088979067facbcfec4df6d7b68efb6a57eaaed.exe
"C:\Users\Admin\AppData\Local\Temp\31b6401cd95090e05221db25f0088979067facbcfec4df6d7b68efb6a57eaaed.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\31b6401cd95090e05221db25f0088979067facbcfec4df6d7b68efb6a57eaaed.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\31b6401cd95090e05221db25f0088979067facbcfec4df6d7b68efb6a57eaaed.exe"
Network
Files
\Users\Admin\AppData\Local\Temp\3582-490\31b6401cd95090e05221db25f0088979067facbcfec4df6d7b68efb6a57eaaed.exe
| MD5 | 63e9d28d486bd746a076f1a4b81a2615 |
| SHA1 | 7170b1c2f6b162f5126a59ab22e51d9d1f30598e |
| SHA256 | 74bab74001d4d717a3be0b8b52692b67d0b75cc32f3e354218f52d71b5e8dc54 |
| SHA512 | d6f9e7d4112339e25ade68e1d2551b1a6a3bf93952f7ced15d86de656d1960a5a300e270d0ac51bfb8fb2ed645d2e129083873e4156ba3efaf40a9f3120daae0 |
C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe
| MD5 | cf6c595d3e5e9667667af096762fd9c4 |
| SHA1 | 9bb44da8d7f6457099cb56e4f7d1026963dce7ce |
| SHA256 | 593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d |
| SHA512 | ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80 |
\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
| MD5 | 9e2b9928c89a9d0da1d3e8f4bd96afa7 |
| SHA1 | ec66cda99f44b62470c6930e5afda061579cde35 |
| SHA256 | 8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043 |
| SHA512 | 2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156 |
memory/944-86-0x0000000000400000-0x000000000041B000-memory.dmp
memory/944-88-0x0000000000400000-0x000000000041B000-memory.dmp